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//===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Jeff Cohen and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines things specific to Win32 implementations.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic Win32 code that
//=== is guaranteed to work on *all* Win32 variants.
//===----------------------------------------------------------------------===//
// Require at least Windows 2000 API.
#define _WIN32_WINNT 0x0500
#include "llvm/Config/config.h" // Get autoconf configuration settings
#include "windows.h"
#include <cassert>
#include <string>
inline bool GetError(const std::string &Prefix, std::string *Dest) {
if (Dest == 0) return true;
char *buffer = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
*Dest = Prefix + buffer;
LocalFree(buffer);
return true;
}
inline void ThrowError(const std::string& msg) {
char *buffer = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
std::string s(msg);
s += buffer;
LocalFree(buffer);
throw s;
}
inline void MakeErrMsg(std::string* ErrMsg, const std::string& prefix) {
if (!ErrMsg)
return;
char *buffer = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
ErrMsg = prefix + buffer;
LocalFree(buffer);
}
inline void ThrowErrno(const std::string& prefix) {
ThrowError(prefix + ": " + strerror(errno));
}
inline void MakeErrnoMsg(std::string* ErrMsg, const std::string & prefix) {
MakeErrorMsg(prefix + ": " + strerror(errno));
}
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